King Duosi

King Duosi (?-225) was the lord of the Tulong Caves of Nanzhong.

Biography
King Duosi proved shelter for Meng Huo in the latter's losing battle with Shu. He lured the Shu forces into a path that wound through four poison springs. However, Zhuge Liang was able to find the path through all of them. While preparing to meet the Shu forces, he was betrayed by Yang Fang and given up to the Shu forces. He was released along with Meng Huo and holed up in Sanjiang Castle. He was killed in battle there.